Ralco RZ Kevlar clutch kit is a direct factory replacement clutch kit and it's designed for the ultimate street enthusiast or weekend racer. Ralco RZ Kevlar clutch kit includes only the highest grade clutch components from the world's leading high performance clutch manufacturers. The steel backed segmented Kevlar disc features high-coefficient pads that are resistant to heat and ensures the longer lasting life. The heavy-duty sprung center unit boasts heat treated springs and retainer rivets for the maximum power and durability. The Ralco RZ pressure plate features special single diaphragm design to increase clamp load. It features induction hardened diaphragm, CNC machined castings, stronger drive straps and rivets. Ralco RZ pressure plate provides smooth and precise feel with easy modulation. All Ralco RZ pressure plate is load tested on a special testing tool for quality assurance.